Кто ПО АНГЛИСКОМУ ШАРИТ ПОМОГИТЕ

. Дайте множественное число следующих существительных.
Face, portfolio, swine, house, tomato, hearth, mother-in-law, basis, clergyman, ox, cry, key, fox, downfall, looker-on, rock, bush, enemy, leaf, roof, genius, hero, bunch, sheep, ship, criterion, youth, journey, penknife, man-of-war, loss, datum, goose, deer, pie, Englishwoman, wolf, mouse, formula, bath, volcano, possibility, forget-me-not, foot, handkerchief, thief, crisis, stepdaughter, birth, echo, finger-tip, court martial, joy, mischief-maker, extremity, spy, lie.